SpaceX launched a Starlink mission from Cape Canaveral on Tuesday evening. The Falcon 9 rocket launched 23 Starlink satellites to low-Earth orbit at 6:17 p.m.The backup opportunities were available until 9:25 p.m. ET on Tuesday, and additional opportunities were also available on Wednesday if needed. This was the ninth flight for the first-stage booster.The first stage booster landed on the Just Read the Instructions drone ship stationed in the Atlantic Ocean.